What powers jackapp.jp?
Last seen Jun 2026 · 9 technologies across 6 categories
JavaScript frameworks
Miscellaneous
Open Graph
since Dec 2024
Webpack
since Dec 2024
PaaS
Vercel
since Dec 2024
Programming languages
Node.js
since Dec 2024
Security
HSTS
since Dec 2024
UI frameworks
Tailwind CSS
since Dec 2024
Audience
Japan
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.45 / 10 · ranked #30,047,038 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- CDN: Vercel
- Weight: 6.2 MB · 31 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped YouTube Jun 2026
- detected styled-components May 2026
- dropped styled-components Apr 2026
- detected YouTube Mar 2026